#include<stdio.h>



int main(){
  int i=0;
  for(i=0;i<10;i++){
    printf("%d\n",i);
    printf("%d\n",i);
    printf("%d\n",i);
    printf("%d\n",i);
    printf("%d\n",i);
    printf("%d\n",i);
  }
  return 0;
}
